Composition especially in the form of emulsion, gel or aqueous solution, including a crosslinked poly (2-acrylamido-2-methylpropanesulphonic acid) polymer neutralized to at least 90%

Abstract

The invention relates to a cosmetic, dermatological, hygienic or pharmaceutical composition which is in the form of, or includes, an aqueous gel or an aqueous, hydroalcoholic or multiphase solution additionally including at least one crosslinked poly(2-acrylamido-2-methylpropanesulphonic acid) polymer neutralized to at least 90% and pigments or water-soluble dyes.

What is claimed is:  
     
       1. A cosmetic, dermatological, hygienic or pharmaceutical composition in the form of an oil-in-water emulsion, a water-in-oil emulsion, a multiple emulsion, an aqueous gel, an aqueous hydroalcoholic solution or a multiphase solution, comprising at least one crosslinked poly(2-acrylamido-2-methylpropanesulphonic acid) polymer neutralized to at least 90% and additionally comprising pigments or water-soluble dyes, wherein said composition is in the form of a make-up product for the skin, the semimucosae or the exoskeletal parts and is a foundation, a blusher, an eye shadow, a lip rouge, a mascara or an eyeliner. 
     
     
       2. A composition according to claim  1 , wherein said at least one crosslinked poly(2-acrylamido-2-methylpropanesulphonic acid) polymer comprises, randomly distributed: 
       (a) from 90 to 99.9% by weight, relative to the weight of said at least one crosslinked polymer, of units of the following formula (1):                    
       in which X +  denotes a cation or a mixture of cations it being possible for at most 10 mol % of the cations X +  to be protons H + , and 
       (b) from 0.01 to 10% by weight, relative to the weight of said at least one crosslinked polymer, of crosslinking units originating from at least one monomer containing at least two olefinic double bonds.  
     
     
       3. A composition according to claim  2 , wherein said at least one crosslinked poly(2-acrylamido-2-methylpropanesulphonic acid) polymer contains from 98 to 99.5% by weight of units of formula (1) and from 0.2 to 2% by weight of crosslinking units. 
     
     
       4. A composition according to claim  2 , wherein said cation is selected from a proton, an alkali metal cation, a cation equivalent to that of an alkaline-earth metal and an ammonium ion. 
     
     
       5. A composition according to claim  2 , wherein said at least one monomer containing at least two olefinic double bonds is dipropylene glycol diallyl ether, polyglycol diallyl ether, triethylene glycol divinyl ether, hydroquinone diallyl ether, tetraallyloxyethanoyl or another allyl or vinyl ether, a polyfunctional alcohol, tetraethylene glycol diacrylate, triallylamine, trimethylolpropane diallyl ether, methylenebisacrylamide or divinylbenzene. 
     
     
       6. A composition according to claim  2 , wherein said crosslinking units originating from at least one monomer correspond to the following formula (2):                    
       in which R 1  denotes a hydrogen atom or a C 1 -C 4  alkyl radical. 
     
     
       7. A composition according to claim  1 , wherein said at least one crosslinked poly(2-acrylamido-2-methylpropanesulphonic acid) polymer exhibits a viscosity, measured with the Brookfield viscometer. rotor 4, at a speed of rotation of 100 revolutions/minute, at 25° C. and in aqueous solution at a concentration of 2% by weight, greater than or equal to 1000 cP. 
     
     
       8. A composition according to claim  7 , wherein said at least one crosslinked poly(2-acrylamido-2-methylpropanesulphonic acid) polymer exhibits a viscosity ranging from 5000 cP to 40,000 cP. 
     
     
       9. A composition according to claim  8 , wherein said at least one crosslinked poly(2-acrylamido-2-methylpropanesulphonic acid) polymer exhibits a viscosity ranging from 6500 cP to 35,000 cP. 
     
     
       10. A composition according to claim  1 , wherein said at least one crosslinked poly(2-acrylamido-2-methylpropanesulphonic acid) polymer is present in a concentration ranging from 0.01 to 20% by weight relative to the total weight of the composition. 
     
     
       11. A composition according to claim  10 , wherein said at least one crosslinked poly(2-acrylamido-2-methylpropanesulphonic acid) polymer is present in a concentration ranging from 0.1 to 5% by weight relative to the total weight of the composition. 
     
     
       12. A composition according to claim  11 , wherein said at least one crosslinked poly(2-acrylamido-2-methylpropanesulphonic acid) polymer is present in a concentration ranging from 0.4 to 2% by weight relative to the total weight of the composition. 
     
     
       13. A composition according to claim  1 , wherein the aqueous phase of said oil-in-water emulsion, water-in-oil emulsion, multiple emulsion, aqueous gel, aqueous hydroalcoholic solution or multiphase solution represents an amount ranging from 15 to 99.5% by weight relative to the total weight of the composition. 
     
     
       14. A composition according to claim  1 , wherein said composition contains said pigments in an amount ranging from 2-15% by weight relative to the total weight of the composition. 
     
     
       15. A composition according to claim  14 , wherein said pigments are titanium dioxide, zirconium dioxide, cerium dioxide, zinc oxide, iron oxide, chromium oxide, nanotitanium, ferric blue, carbon black, barium lake, strontium lake, calcium lake, aluminum lake, or mixtures of any of the foregoing. 
     
     
       16. A composition according to claim  1 , wherein said composition additionally contains a C 2 -C 6  lower monoalcohol, a polyol or mixtures thereof. 
     
     
       17. A composition according to claim  1 , wherein said composition additionally comprises a fatty phase comprising at least one oil of animal, vegetable, mineral or synthetic origin or at least one silicone resin. 
     
     
       18. A composition according to claim  1 , wherein said composition additionally comprises at least one acidic compound. 
     
     
       19. A composition according to claim  1 , wherein said composition contains said water-soluble dyes, wherein said water-soluble dyes are Ponceau disodium salt, alizarin green disodium salt, quinoline yellow, amaranth trisodium salt, tartrazine disodium salt, rhodamine monosodium salt, fuchsine disodium salt, xanthophyll, or mixtures of any of the foregoing.